package com.xigua.bio;


import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class BIOServer {

     //线程池机制

    //思路：
    //1.创建一个线程池
    //2.如果有 客户端连接，就创建一个线程池与之通信(单独写一个方法)
    public static void main(String[] args) throws IOException {
        ExecutorService newCachedThreadPool = Executors.newCachedThreadPool();
        ServerSocket serverSocket = new ServerSocket(6666);

        System.out.println("服务器启动了");

        while (true){
            System.out.println("等待连接.....");
            final Socket socket = serverSocket.accept();
            System.out.println("连接到一个客户端");
            System.out.println("主线程名字"+Thread.currentThread().getName());
            newCachedThreadPool.execute(new Runnable() {
                public void run() {
                    handler(socket);
                }
            });
        }
    }

    public static void handler(Socket socket){
        try {
            InputStream inputStream = socket.getInputStream();
            byte[] bytes = new byte[1024];
            while (true){
                System.out.println("线程信息：线程id="+Thread.currentThread().getId()+"线程名字="+Thread.currentThread().getName()+"22");
                System.out.println("read.......");
                int read = inputStream.read(bytes);
                if (read != -1){
                    System.out.println(new String(bytes,0,read));  //输出客户端发送的数据
                }else {
                    break;
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            System.out.println("关闭和client的连接");
            try {
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }
}
